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Environment_Term_Test_2002 - Environment Term Test 1 Why...

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Environment Term Test - December 14, 2002 1. Why are there no known rock or mineral grains of terrestrial origin that are older than 4.2 billion years? a. The Earth is only 4.2 billion years old, therefore there can’t be any rocks or minerals of terrestrial origin that are older than this. b. The early surface of the planet was completely transformed as a result of meteorite bombardment, tectonic movement, and erosion; no rocks or minerals grains survived from this early period. c. Rocks of that era in Earth history were blown away by solar wind, during the creation of the Earth’s secondary atmosphere. d. All of the above are true. 2. Which one of the following does not belong with the others? 3. Which one of the following is an incorrect response? The magnitude of an earthquake correlates positively with the 4. Which one of the following does not belong with the others? 5. The asthenosphere
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a. Is the main source of basaltic magma. b. Is a zone of weakness where partial melting occurs in the upper mantle. c. Underlies the cooler, more rigid lithosphere. d. All of the above are true. 6. Which one of the following statements about electromagnetic radiation is incorrect ? 7. Which one of the following does not belong with the others? 8. Which one of the following is not important as a greenhouse gas? 9. Which one of the following statements about air masses is incorrect ? a. A mass of cool air weighs more than an equal volume of warm air. b. When two air masses of different temperature and density meet, they do not mix easily. c. Rising air expands, causing cooling.
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d. Fronts are zones of gentle gradients in temperature, commonly associated with regions of low atmospheric pressure.
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